Diamond license plate frame



FIG. 1 is a front view for a diamond license plate frame;

FIG. 2 is a top view thereof, the bottom view being identical to the top view;

FIG. 3 is a left side view thereof, the right side view being identical to the left side view;

FIG. 4 is a back view thereof; and,

FIG. 5 is a front perspective view thereof.

The broken lines are included for the purpose of illustrating environmental features and form no part of the claimed design. 

The ornamental design for a diamond license plate frame, as shown and described. 